1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
4 dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
10 dnl We use these options to decide which functions to include.
11 AC_ARG_WITH(target-subdir,
12 [ --with-target-subdir=SUBDIR
13 configuring in a subdirectory])
14 AC_ARG_WITH(cross-host,
15 [ --with-cross-host=HOST configuring with a cross compiler])
19 AM_CONFIG_HEADER(include/config.h gcj/libgcj-config.h)
21 # Only use libltdl for native builds.
22 if test -z "${with_cross_host}"; then
23 AC_LIBLTDL_CONVENIENCE
27 # Sigh. Libtool's macro doesn't do the right thing.
28 INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"
34 AC_CONFIG_SUBDIRS($DIRLTDL)
36 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
43 dnl The -no-testsuite modules omit the test subdir.
44 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
46 dnl See whether the user prefers size or speed for Character.
47 dnl The default is size.
48 AC_ARG_ENABLE(fast-character,
49 [ --enable-fast-character prefer speed over size for Character],
51 , AC_DEFINE(COMPACT_CHARACTER))
53 dnl Should the runtime set system properties by examining the
54 dnl environment variable GCJ_PROPERTIES?
55 AC_ARG_ENABLE(getenv-properties,
56 [ --disable-getenv-properties
57 don't set system properties from GCJ_PROPERTIES])
59 dnl Whether GCJ_PROPERTIES is used depends on the target.
60 if test -z "$enable_getenv_properties"; then
61 enable_getenv_properties=${enable_getenv_properties_default-yes}
63 if test "$enable_getenv_properties" = no; then
64 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
68 dnl Should we use hashtable-based synchronization?
69 dnl Currently works only for Linux X86/ia64
70 dnl Typically faster and more space-efficient
71 AC_ARG_ENABLE(hash-synchronization,
72 [ --enable-hash-synchronization
73 Use global hash table for monitor locks])
75 if test -z "$enable_hash_synchronization"; then
76 enable_hash_synchronization=$enable_hash_synchronization_default
79 if test "$enable_hash_synchronization" = yes; then
80 HASH_SYNC_SPEC=-fhash-synchronization
81 AC_DEFINE(JV_HASH_SYNCHRONIZATION)
83 AC_SUBST(HASH_SYNC_SPEC)
86 dnl See if the user has requested runtime debugging.
89 AC_ARG_ENABLE(libgcj-debug,
90 [ --enable-libgcj-debug enable runtime debugging code],
91 if test "$enable_libgcj_debug" = yes; then
96 dnl See if the user has the interpreter included.
97 AC_ARG_ENABLE(interpreter,
98 [ --enable-interpreter enable interpreter],
99 if test "$enable_interpreter" = yes; then
100 # This can also be set in configure.host.
101 libgcj_interpreter=yes
102 elif test "$enable_interpreter" = no; then
103 libgcj_interpreter=no
106 if test "$libgcj_interpreter" = yes; then
107 AC_DEFINE(INTERPRETER)
110 AC_MSG_CHECKING([for exception model to use])
113 AC_ARG_ENABLE(sjlj-exceptions,
114 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
116 [dnl Botheration. Now we've got to detect the exception model.
117 dnl Link tests against libgcc.a are problematic since -- at least
118 dnl as of this writing -- we've not been given proper -L bits for
119 dnl single-tree newlib and libgloss.
121 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
122 dnl conftest files before we got a change to grep them first.
123 cat > conftest.$ac_ext << EOF
124 [#]line __oline__ "configure"
133 old_CXXFLAGS="$CXXFLAGS"
135 if AC_TRY_EVAL(ac_compile); then
136 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
137 enable_sjlj_exceptions=yes
138 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
139 enable_sjlj_exceptions=no
142 CXXFLAGS="$old_CXXFLAGS"
144 if test x$enable_sjlj_exceptions = xyes; then
145 AC_DEFINE(SJLJ_EXCEPTIONS, 1,
146 [Define if the compiler is configured for setjmp/longjmp exceptions.])
147 ac_exception_model_name=sjlj
148 elif test x$enable_sjlj_exceptions = xno; then
149 ac_exception_model_name="call frame"
151 AC_MSG_ERROR([unable to detect exception model])
154 AC_MSG_RESULT($ac_exception_model_name)
156 AC_MSG_CHECKING([for data_start])
159 AC_TRY_LINK([extern int data_start;], [return ((int) &data_start);],
160 [AC_MSG_RESULT(found it)],
161 [LIBDATASTARTSPEC="-u data_start libgcjdata.a%s"
163 AC_MSG_RESULT(missing)])
164 AC_SUBST(LIBDATASTARTSPEC)
166 dnl See if the user wants to disable java.net. This is the mildly
167 dnl ugly way that we admit that target-side configuration sucks.
168 AC_ARG_ENABLE(java-net,
169 [ --disable-java-net disable java.net])
171 dnl Whether java.net is built by default can depend on the target.
172 if test -z "$enable_java_net"; then
173 enable_java_net=${enable_java_net_default-yes}
175 if test "$enable_java_net" = no; then
176 AC_DEFINE(DISABLE_JAVA_NET)
179 dnl See if the user wants to disable JVMPI support.
181 [ --disable-jvmpi disable JVMPI support])
183 if test "$enable_jvmpi" != no; then
184 AC_DEFINE(ENABLE_JVMPI)
187 dnl If the target is an eCos system, use the appropriate eCos
189 dnl FIXME: this should not be a local option but a global target
190 dnl system; at present there is no eCos target.
193 [ --with-ecos enable runtime eCos target support],
194 TARGET_ECOS="$with_ecos"
197 case "$TARGET_ECOS" in
199 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
200 PROCESS=${PROCESS-Posix}
203 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
209 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
210 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
211 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
212 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
215 dnl These may not be defined in a non-ANS conformant embedded system.
216 dnl FIXME: Should these case a runtime exception in that case?
217 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
218 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
220 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
221 dnl to create the link will fail.
222 test -d java || mkdir java
223 test -d java/io || mkdir java/io
224 test -d gnu || mkdir gnu
225 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
227 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
228 test -d java/lang || mkdir java/lang
229 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
230 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
235 LIBGCJTESTSPEC="-L`pwd`/.libs -rpath `pwd`/.libs"
236 AC_SUBST(LIBGCJTESTSPEC)
238 AC_ARG_WITH(system-zlib,
239 [ --with-system-zlib use installed libz])
243 AC_SUBST(ZLIBTESTSPEC)
245 dnl FIXME: this should be _libs on some hosts.
248 dnl Allow the GC to be disabled. Can be useful when debugging.
249 AC_MSG_CHECKING([for garbage collector to use])
250 AC_ARG_ENABLE(java-gc,
251 changequote(<<,>>)dnl
252 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
266 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
267 # We include the path to the boehm-gc build directory.
268 # See Makefile.am to understand why.
269 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
270 GCINCS='-I$(top_srcdir)/../boehm-gc/include'
272 JC1GCSPEC='-fuse-boehm-gc'
273 GCTESTSPEC="-L`pwd`/../boehm-gc/.libs -rpath `pwd`/../boehm-gc/.libs"
274 dnl We also want to pick up some cpp flags required when including
275 dnl boehm-config.h. Yuck.
276 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
279 dnl The POSIX thread support needs to know this.
280 AC_DEFINE(HAVE_BOEHM_GC)
288 AC_MSG_ERROR(unrecognized collector \"$GC\")
298 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
301 AC_MSG_CHECKING([for thread model used by GCC])
302 THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
303 AC_MSG_RESULT([$THREADS])
313 AC_DEFINE(LINUX_THREADS)
317 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
318 AC_MSG_ERROR(thread package $THREADS not yet supported)
321 AC_MSG_ERROR($THREADS is an unknown thread package)
335 THREADOBJS=posix-threads.lo
336 THREADH=posix-threads.h
337 # MIT pthreads doesn't seem to have the mutexattr functions.
338 # But for now we don't check for it. We just assume you aren't
339 # using MIT pthreads.
340 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
342 # If we're using the Boehm GC, then we happen to know that it
343 # defines _REENTRANT, so we don't bother. Eww.
344 if test "$GC" != boehm; then
345 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
347 AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])
351 THREADOBJS=no-threads.lo
355 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
362 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
368 # We're in the tree with gcc, and need to include some of its headers.
369 GCC_UNWIND_INCLUDE='-I$(top_srcdir)/../gcc'
371 if test -n "${with_cross_host}"; then
372 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
373 # may not work correctly, because the compiler may not be able to
376 # We assume newlib. This lets us hard-code the functions we know
378 AC_DEFINE(HAVE_MEMMOVE)
379 AC_DEFINE(HAVE_MEMCPY)
380 AC_DEFINE(HAVE_STRERROR)
381 AC_DEFINE(HAVE_GMTIME_R)
382 AC_DEFINE(HAVE_LOCALTIME_R)
383 dnl This is only for POSIX threads.
384 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
385 dnl We also assume we are using gcc, which provides alloca.
386 AC_DEFINE(HAVE_ALLOCA)
388 dnl Assume we do not have getuid and friends.
392 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
394 # If Canadian cross, then don't pick up tools from the build
396 if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
399 GCJ="${target_alias}-gcj"
403 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
404 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
405 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath utime chmod)
406 AC_CHECK_FUNCS(iconv nl_langinfo setlocale)
407 AC_CHECK_FUNCS(inet_aton inet_addr, break)
408 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
409 AC_CHECK_FUNCS(backtrace fork execvp pipe)
410 AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
411 AC_CHECK_LIB(dl, dladdr, [
412 AC_DEFINE(HAVE_DLADDR)])
413 AC_CHECK_FILES(/proc/self/exe, [
414 AC_DEFINE(HAVE_PROC_SELF_EXE)])
416 AC_CHECK_FUNCS(gethostbyname_r, [
417 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
418 # There are two different kinds of gethostbyname_r.
419 # We look for the one that returns `int'.
420 # Hopefully this check is robust enough.
421 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
422 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
425 *" -D_REENTRANT "*) ;;
427 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
428 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
429 [libjava_cv_gethostbyname_r_needs_reentrant],
432 AC_TRY_COMPILE([#include <netdb.h>],
433 [gethostbyname_r("", 0, 0);],
434 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
435 CPPFLAGS_SAVE="$CPPFLAGS"
436 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
437 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
438 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
439 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
440 CPPFLAGS="$CPPFLAGS_SAVE"
444 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
445 AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
450 AC_CACHE_CHECK([for struct hostent_data],
451 [libjava_cv_struct_hostent_data], [dnl
453 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
454 # define _REENTRANT 1
456 #include <netdb.h>], [struct hostent_data data;],
457 [libjava_cv_struct_hostent_data=yes],
458 [libjava_cv_struct_hostent_data=no])])
459 if test "x$libjava_cv_struct_hostent_data" = xyes; then
460 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
461 [Define if struct hostent_data is defined in netdb.h])
465 AC_CHECK_FUNCS(gethostbyaddr_r, [
466 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
467 # There are two different kinds of gethostbyaddr_r.
468 # We look for the one that returns `int'.
469 # Hopefully this check is robust enough.
470 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
471 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
473 AC_CHECK_FUNCS(gethostname, [
474 AC_DEFINE(HAVE_GETHOSTNAME)
475 AC_EGREP_HEADER(gethostname, unistd.h, [
476 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
478 # Look for these functions in the thread library, but only bother
479 # if using POSIX threads.
480 if test "$THREADS" = posix; then
482 LIBS="$LIBS $THREADLIBS"
483 # Some POSIX thread systems don't have pthread_mutexattr_settype.
485 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
487 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
488 # Solaris 7 the name librt is preferred.
489 AC_CHECK_FUNCS(sched_yield, , [
490 AC_CHECK_LIB(rt, sched_yield, [
491 AC_DEFINE(HAVE_SCHED_YIELD)
492 THREADLIBS="$THREADLIBS -lrt"
493 THREADSPEC="$THREADSPEC -lrt"], [
494 AC_CHECK_LIB(posix4, sched_yield, [
495 AC_DEFINE(HAVE_SCHED_YIELD)
496 THREADLIBS="$THREADLIBS -lposix4"
497 THREADSPEC="$THREADSPEC -lposix4"])])])
500 # We can save a little space at runtime if the mutex has m_count
501 # or __m_count. This is a nice hack for Linux.
502 AC_TRY_COMPILE([#include <pthread.h>], [
503 extern pthread_mutex_t *mutex; int q = mutex->m_count;
504 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
505 AC_TRY_COMPILE([#include <pthread.h>], [
506 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
507 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
510 # We require a way to get the time.
512 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
513 if test "$time_found" = no; then
514 AC_MSG_ERROR([no function found to get the time])
517 AC_CHECK_FUNCS(memmove)
521 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
522 if test "$memcpy_found" = no; then
523 AC_MSG_ERROR([memcpy is required])
526 # Some library-finding code we stole from Tcl.
527 #--------------------------------------------------------------------
528 # Check for the existence of the -lsocket and -lnsl libraries.
529 # The order here is important, so that they end up in the right
530 # order in the command line generated by make. Here are some
531 # special considerations:
532 # 1. Use "connect" and "accept" to check for -lsocket, and
533 # "gethostbyname" to check for -lnsl.
534 # 2. Use each function name only once: can't redo a check because
535 # autoconf caches the results of the last check and won't redo it.
536 # 3. Use -lnsl and -lsocket only if they supply procedures that
537 # aren't already present in the normal libraries. This is because
538 # IRIX 5.2 has libraries, but they aren't needed and they're
539 # bogus: they goof up name resolution if used.
540 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
541 # To get around this problem, check for both libraries together
542 # if -lsocket doesn't work by itself.
543 #--------------------------------------------------------------------
545 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
548 unset ac_cv_func_connect
549 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
550 if test "$gcj_checkSocket" = 1; then
551 unset ac_cv_func_connect
552 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
555 if test "$gcj_checkBoth" = 1; then
557 LIBS="$LIBS -lsocket -lnsl"
558 unset ac_cv_func_accept
559 AC_CHECK_FUNC(accept,
561 gcj_cv_lib_sockets="-lsocket -lnsl"])
562 unset ac_cv_func_accept
565 unset ac_cv_func_gethostbyname
567 LIBS="$LIBS $gcj_cv_lib_sockets"
568 AC_CHECK_FUNC(gethostbyname, ,
569 [AC_CHECK_LIB(nsl, main,
570 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
571 unset ac_cv_func_gethostbyname
574 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
576 if test "$with_system_zlib" = yes; then
577 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
580 ZLIBTESTSPEC="-L`pwd`/../zlib/.libs -rpath `pwd`/../zlib/.libs"
583 # On Solaris, and maybe other architectures, the Boehm collector
585 if test "$GC" = boehm; then
586 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
589 if test -z "${with_multisubdir}"; then
593 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
596 if test -x "${builddotdot}/../../gcc/gcj"; then
597 dir="`cd ${builddotdot}/../../gcc && pwd`"
598 GCJ="$dir/gcj -B`pwd`/ -B$dir/"
606 # Create it, so that compile/link tests don't fail
607 test -f libgcj.spec || touch libgcj.spec
609 # We must search the source tree for java.lang, since we still don't
610 # have libgcj.jar nor java/lang/*.class
611 GCJ_SAVE_CPPFLAGS=$CPPFLAGS
612 CPPFLAGS="$CPPFLAGS -I`pwd` -I`cd $srcdir && pwd`"
614 # Since some classes depend on this one, we need its source available
615 # before we can do any GCJ compilation test :-(
616 if test ! -f gnu/classpath/Configuration.java; then
617 test -d gnu || mkdir gnu
618 test -d gnu/classpath || mkdir gnu/classpath
619 sed 's,@LIBGCJDEBUG@,$LIBGCJDEBUG,' \
620 < $srcdir/gnu/classpath/Configuration.java.in \
621 > gnu/classpath/Configuration.java
622 # We do not want to redirect the output of the grep below to /dev/null,
623 # but we add /dev/null to the input list so that grep will print the
624 # filename of Configuration.java in case it finds any matches.
625 if grep @ gnu/classpath/Configuration.java /dev/null; then
626 AC_MSG_ERROR([configure.in is missing the substitutions above])
632 CPPFLAGS=$GCJ_SAVE_CPPFLAGS
634 dnl FIXME: cross compilation
635 AC_CHECK_SIZEOF(void *)
640 if test "x$ZLIBSPEC" = "x-lzgcj"; then
641 # We include the path to the zlib build directory.
642 # See Makefile.am to understand why.
643 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
644 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
645 ZINCS='-I$(top_srcdir)/../zlib'
653 AC_SUBST(EXCEPTIONSPEC)
655 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
656 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
657 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
658 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
659 AM_CONDITIONAL(NEEDS_DATA_START, test "$NEEDS_DATA_START" = yes && test "$NATIVE" = yes)
660 AC_SUBST(GCC_UNWIND_INCLUDE)
662 # Determine gcj version number.
664 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
666 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
669 AC_SUBST(AM_RUNTESTFLAGS)
671 dnl Work around a g++ bug. Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
672 AC_MSG_CHECKING([for g++ -ffloat-store bug])
673 save_CFLAGS="$CFLAGS"
674 CFLAGS="-x c++ -O2 -ffloat-store"
675 AC_TRY_COMPILE([#include <math.h>], ,
677 [AC_DEFINE(__NO_MATH_INLINES)
679 CFLAGS="$save_CFLAGS"
681 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
682 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
683 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
684 AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h inttypes.h stdint.h langinfo.h locale.h)
685 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
686 dnl for now. If you change this, you also must update natFile.cc.
687 AC_CHECK_HEADERS(dirent.h)
689 AC_CHECK_TYPE([ssize_t], [int])
691 AC_MSG_CHECKING([for in_addr_t])
692 AC_TRY_COMPILE([#include <sys/types.h>
697 #if HAVE_NETINET_IN_H
698 #include <netinet/in.h>
699 #endif], [in_addr_t foo;],
700 [AC_DEFINE([HAVE_IN_ADDR_T])
704 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
705 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
706 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
710 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
711 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
712 [AC_DEFINE(HAVE_INET6)
716 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
717 AC_TRY_COMPILE([#include <sys/types.h>
718 #include <sys/socket.h>], [socklen_t x = 5;],
719 [AC_DEFINE(HAVE_SOCKLEN_T)
723 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
724 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
725 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
728 AC_MSG_CHECKING([for global timezone variable])
729 dnl FIXME: we don't want a link check here because that won't work
730 dnl when cross-compiling. So instead we make an assumption that
731 dnl the header file will mention timezone if it exists.
732 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
733 [AC_DEFINE(HAVE_TIMEZONE)
735 [AC_MSG_RESULT(no)])])
739 AC_CHECK_PROGS(PERL, perl, false)
745 SIGNAL_HANDLER=include/i386-signal.h
748 SIGNAL_HANDLER=include/sparc-signal.h
751 # SYSDEP_SOURCES=sysdep/ia64.c
752 # test -d sysdep || mkdir sysdep
755 SIGNAL_HANDLER=include/dwarf2-signal.h
758 SIGNAL_HANDLER=include/default-signal.h
762 # If we're using sjlj exceptions, forget what we just learned.
763 if test "$libgcj_sjlj" = yes; then
764 SIGNAL_HANDLER=include/default-signal.h
767 AC_SUBST(SYSDEP_SOURCES)
769 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
771 if test "${multilib}" = "yes"; then
772 multilib_arg="--enable-multilib"
779 dnl Determine which AWT peer libraries to build
780 AC_ARG_ENABLE(java-awt,
781 [ --enable-java-awt list of AWT peer implementations to be built])
783 peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"
787 for peer in $peerlibs ; do
790 if [test "$no_x" = yes]; then
791 echo "*** xlib peers requested but no X library available" 1>&2
801 echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2
806 AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)
807 AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)
813 # We get this from the environment.
816 AC_OUTPUT(Makefile libgcj.spec libgcj-test.spec gnu/classpath/Configuration.java gcj/Makefile include/Makefile testsuite/Makefile,
817 [if test -n "$CONFIG_FILES"; then
818 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
821 # Make subdirectories and `.d' files. Look in both srcdir and
822 # builddir for the .java files.
825 ( (cd $srcdir && find . -name '*.java' -print) ;
826 find . -name '*.java' -print) | \
827 fgrep -v testsuite | \
828 sed -e 's/\.java/.d/' | \
830 echo "include $f" >> deps.mk
833 d=`echo $f | sed -e 's,/[^/]*$,,'`
835 $srcdir/../mkinstalldirs $d
843 with_multisubdir=${with_multisubdir}
844 ac_configure_args="${multilib_arg} ${ac_configure_args}"
845 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
846 libgcj_basedir=${libgcj_basedir}